Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.138752E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T21:05:34+0800
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    1 Object 1

    AOE ID 16001
    NORAD ID 16001
    Object Type ROCKET BODY
    Country
    US US
    VS

    2 Object 2

    AOE ID 55426
    NORAD ID 55426
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter LEASAT 4 PKM STARLINK-5638
    Time of Closest Approach 2026-09-14T06:44:18+0000
    Collision Probability (Pc) 1.138752E-6
    Conjunction Distance (km) 2.588 km
    Relative Speed (km/s) 7.802 km/s
    Conjunction Risk Parameters R (Radial): 2.454 | I (In-track): 0.8 | C (Cross-track): -0.184
    Collision Risk Index (CRI) 0.36
    X Position (km) -4870.068 -4868.019
    Position Y (km) 4101.235 4099.675
    Position Z (km) 2792.28 2792.036
    Velocity X (km/s) -7.286 -3.986
    Velocity Y (km/s) -5.446 -0.34
    Velocity Z (km/s) -1.542 -6.433

    Orbital Parameters 国际轨道数据源

    Parameter LEASAT 4 PKM STARLINK-5638
    Semimajor Axis (a) 13489.611 km 6950.184 km
    Eccentricity (e) 0.499242 0.000313
    Inclination (i) 27.4045° 70.0001°
    RAAN 20.6170° 334.3792°
    Perigee Argument 90.3976° 268.5649°
    Mean Anomaly (M) 324.5198° 91.5151°
    Apogee 13846.062 km 574.226 km
    Perigee 376.886 km 569.868 km
    Orbit Epoch 2026-09-11T17:35:22+0000 2026-09-12T04:22:53+0000

    LEASAT 4 PKM & STARLINK-5638 Collision Probability (Pc) Trend

    LEASAT 4 PKM & STARLINK-5638 Collision Probability (Pc) TrendNot Available

    LEASAT 4 PKM & STARLINK-5638 Miss Distance (Miss Distance) Trend

    LEASAT 4 PKM & STARLINK-5638 Miss Distance (Miss Distance) TrendNot Available

    LEASAT 4 PKMMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5638Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LEASAT 4 PKMCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5638Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LEASAT 4 PKM

    No nearby objects data